/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePartyInterface.h
virtual void TriggerOnPartyInviteRemovedExDelegates ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & Param1, const [IOnlinePartyJoinInfo](API\Plugins\OnlineSubsystem\Interfaces\IOnlinePartyJoinInfo) & Param2, [EPartyInvitationRemovedReason](API\Plugins\OnlineSubsystem\Interfaces\EPartyInvitationRemovedReason) Param3 )